
Antarctica: The End of the Earth
Uncover the activity, both human and natural, that occurs on the slopes of volcanoes.

Uncover the activity, both human and natural, that occurs on the slopes of volcanoes.

A profile of Alaska includes its icy landscape, humpback whales, grizzlies and the northern lights.

A troop of snow monkeys raise their families in the valleys of Japan's Shiga Highlands.

Ecologist Chris Morgan travels to northern Alaska in late fall to see polar bears.

Ecologist Chris Morgan explores the world of black bears.

Ecologist Chris Morgan camps among the largest concentration of grizzles in the world.

The rescue of the grizzly population of Yellowstone and ensuing social problems.

Explore the delicate balance of the interconnected lives of bears, trees, and salmon.

The story of a journalist who moved to Panama and cared for an orphaned baby sloth.

The story of beavers in North America - their history, near extinction, and comeback.

Bird nests come in all shapes and sizes. Each, a work of art, is built to protect.

Horseshoe crab numbers drop as their use as bait by the fishing industry increases.

Wildlife cinematographer Wolfgang Bayer focuses on the Laysan albatross of the Hawaiian Islands.

Follow a wood duck family in this fascinating look at one of our most familiar birds.

Explore the difficulties and consequences of keeping and caring for parrots as pets.

Join a team of scientists on an expedition to find and film the birds of New Guinea.

With high-speed camerawork and breakthrough science, we enter the world of hummingbirds.

Scientists use poisons from animals to create lifesaving drugs.

Amphibians are vanishing in the greatest mass extinction since the dinosaurs.

Scientists teach a gorilla to use sign language to communicate with them narrator Martin Sheen.